Okay I fixed it… backed everything out, put it back in bit by bit. I really don’t like that wp_signups table in MU that is not visible in the admin panel anywhere. Maybe a plugin will show up someday to manage that puppy.

Okay looking more closely at that table… wp_signups… I was going to edit the active field from 0 to 1, but it says it cannot be edited because it lacks a primary key. Would that be a problem or is it not supposed to have a primary key?